1.Wireless USB HSDPA 3G data cards, 2.Support 8GB Micro-SD Card, 3.PhoneBook, SMS, Single-band, double-band 4. ... Downlink5 Plug&play(Auto installation)6 Micro-SD slot(Expandable up to 16GB,use as memory stick)7 UMTS/GSM internal antenna8 System ... high speed, online voice, phonebook, text messaging, USSD, TF card memory expansion, flow inquires the set etc. Function.The standard SIM ...